| 1 |
1
Data bases in Europe : a directory to machine-readable data bases and data banks in Europe / edited by Gordon Pratt
London : Aslib , 1976
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| 2 |
2
Information economics : costs and prices of machine-readable information in Europe / edited by Gordon Pratt ; compiled by Gordon Pratt and Susan Harvey
London : Aslib : EUSIDIC , c1976
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| 3 |
3
The on-line age : plans and needs for on-line information retrieval : proceedings of the Eusidic conference, Oslo, 4th-5th December, 1975 / edited by Gordon Pratt and Susan Harvey
London : Aslib : EUSIDIC , c1976
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